Note 16. Equity Incentive Plans and Employee Benefits (Details) (USD $)	3 Months Ended		9 Months Ended
	Nov. 02, 2013	Oct. 27, 2012	Nov. 02, 2013	Oct. 27, 2012
Note 16. Equity Incentive Plans and Employee Benefits (Details) [Line Items]
Other Employee Related Liabilities, Current	$ 1,200,000	$ 1,200,000	$ 1,200,000	$ 1,200,000
2010 Purchase Plan [Member]
Note 16. Equity Incentive Plans and Employee Benefits (Details) [Line Items]
Common Stock, Capital Shares Reserved for Future Issuance (in Shares)	2,500,000		2,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value			1,895,613
401(k) Tax Deferred Savings Plan [Member] | Defined Contribution Pension [Member]
Note 16. Equity Incentive Plans and Employee Benefits (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	0	200,000	0	700,000
Endowment Insurance Pension Plan [Member] | Defined Contribution Pension [Member]
Note 16. Equity Incentive Plans and Employee Benefits (Details) [Line Items]
Defined Contribution Plan, Cost Recognized	500,000	500,000	1,600,000	600,000
Retirement Pension Plan, Denmark [Member] | Defined Contribution Pension [Member]
Note 16. Equity Incentive Plans and Employee Benefits (Details) [Line Items]
Supplemental Unemployment Benefits, Severance Benefits	$ 1,300,000	$ 1,300,000	$ 1,300,000	$ 1,300,000